CheatCodes.com has all the official Star Trek: Invasion PSX cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 18, 2013 for Star Trek: Invasion are shown below.
Press Up, Down, Left, Right, Down, Up at the main menu.
At the mission briefing screen, press [Left, Right, Up, Down] five times.
At the mission selection screen, press Up, Left, Down, Right, Up, Right, Down, Left, Up, L1 + R1, L2 + R2. If you entered the code correctly, the screen will flash. All missions will be unlocked, and when the game is paused a "Cheat Screen" option will appear on the bottom of the menu with such selections as "Player Can't Die", "All Weapons", and "One Hit Kills".
Get the cheat for all weapons, go to cheat options in the pause menu, click "yes" for all weapons, then, if desired, click "no". You will then have all the weapons you depleted.
Search for the info unit between the two asteroids, near the broken shuttle in mission 5 and use the tractor beam to acquire it.
Destroy half of the energy plough and use your tractor beam on the second half in mission 5.
Successfully complete mission 4 in under 6 minutes 44 seconds with more than 40% accuracy.
Successfully complete mission 1 in under 5 minutes 2 seconds with more than 40% accuracy.
Found some tricks that we don't have? Got some helpful hints, tips, or tactics we don't know about? Tell us and you could win a free PlayStation game (or any other game you want for any video game system)!